Exposure
ID
PIONI.2022-11-20T04:57:29.519_1
Header ID
PIONI.2022-11-20T04:57:29.519
Date updated
2022-11-20 05:06:05 UTC+0000
Release date
2023-11-20 05:06:05 UTC+0000
UTC Start
2022-11-20 04:57:29.518
UTC End
2022-11-20 04:57:55.118
MJD Start
59903.2065916457
MJD End
59903.206887942
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0060765
Ambient temperature (°C)
13.7
Seeing (arcsec)
0.605
Observation
ID
53192
Category
science
Program ID
110.241D.001
Program Title
INTERFEROMETRIC IMAGING OF TAU CETI, A PLANET-HOSTING SOLAR ANALOG
Program Type
Normal
PI / COI
ROETTENBACHER/ KORHONEN/ MONNIER/ FISCHER
Target
ID
39556
Name
tau Cet
RA
26.00675
DEC
-15.93313
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.0870 23.0790 161.6000 161.7000
A0-D0 27.2920 27.2510 79.2000 79.3000
A0-C1 18.8820 18.8590 133.1300 133.2360
B2-D0 33.3310 33.3210 35.9000 35.9000
B2-C1 11.1040 11.1000 35.8470 35.8660
D0-C1 22.2270 22.2210 215.9010 215.9190
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.241D.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59903.2065916457
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.00675
DEC -15.93313
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 23.087
HIERARCH ESO ISS PBL12 END 23.079
HIERARCH ESO ISS PBLA12 START 161.6
HIERARCH ESO ISS PBLA12 END 161.7
HIERARCH ESO ISS PBL13 START 27.292
HIERARCH ESO ISS PBL13 END 27.251
HIERARCH ESO ISS PBLA13 START 79.2
HIERARCH ESO ISS PBLA13 END 79.3
HIERARCH ESO ISS PBL14 START 18.882
HIERARCH ESO ISS PBL14 END 18.859
HIERARCH ESO ISS PBLA14 START 133.13
HIERARCH ESO ISS PBLA14 END 133.236
HIERARCH ESO ISS PBL23 START 33.331
HIERARCH ESO ISS PBL23 END 33.321
HIERARCH ESO ISS PBLA23 START 35.9
HIERARCH ESO ISS PBLA23 END 35.9
HIERARCH ESO ISS PBL24 START 11.104
HIERARCH ESO ISS PBL24 END 11.1
HIERARCH ESO ISS PBLA24 START 35.847
HIERARCH ESO ISS PBLA24 END 35.866
HIERARCH ESO ISS PBL34 START 22.227
HIERARCH ESO ISS PBL34 END 22.221
HIERARCH ESO ISS PBLA34 START 215.901
HIERARCH ESO ISS PBLA34 END 215.919
HIERARCH ESO ISS AMBI TAU0 START 0.006537
HIERARCH ESO ISS AMBI TAU0 END 0.005616
HIERARCH ESO ISS AMBI TEMP 13.7
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.64